Netpack 36" 1200 D Interlace Poly Large Base Duffel (Black) 36" 1200 D Interlace Poly Large Base Duffel Made of 1200 D Interlace Polyester with moisture resistance for maximum durability. Large front pocket for easy access. Incomparable hide away Netpack zipper head on front pocket, this prevent puller get caught in the way. Large Open Main compartment comes with twin zipper opening for easy and convenient access.